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DWT-Ⅰ type low noise centrifugal roof exhaust fan
One, characteristic and Application
DWT series low noise roof ventilation system using CAD simulation and optimization design, after a lot of test research and development of the "spark" products of scientific research, has the advantages of high efficiency, low noise, stable running operation, anti-corrosion, explosion-proof appearance, etc., are widely used in and senior civil construction power, chemical, rubber, pharmaceutical, food processing, metallurgy and so on the air supply and exhaust. According to the different use of the environment and transmission medium, hood, cylinder can adopt steel or glass steel, aluminum alloy, steel impeller can be used, glass steel, engineering plastics and other materials.
  DWT-I type can be used in low pressure, large flow situations exhaust and air supply;
Two, performance parameters table
DWT-I (axial)

机号

Model NO

转速

Speed (r/min)

风量

Airflow(m³/h)

风压

Windpressure

(pa)

功率Singlespeedpower

(kw)

噪声

Noise Db(A)

 

3

 

2850

3300
3000
2600

181
206
232

 

0.37

 

66

 

1450

1650
1560
1450

62
66
72

 

0.06

 

56

 

4

 

2850

7450
6350
5300

193
230
250

 

0.75

 

69

 

1450

5700
5400
4580

176
184
190

 

0.55

 

67

 

960

3820
2860
1880

80
86
92

 

0。25

 

60

 

 

5

 

1450

8000
7000
5600

135
162
191

 

0。55

 

68

 

960

7000
6700
6400

113
122
131

 

0.37

 

63

 

720

6000
5000
4100

88
92
96

 

0.25

 

58

 

 

6

 

1450

15000
14000
130000

232
251
267

 

1.5

 

73

 

960

11000
10000
9100

168
183
193

 

1.1

 

67

 

720

8500
8000
7600

111
127
136

 

0。55

 

62

 

 

7

 

960

17500
15000
12500

165
201
212

 

1.5

 

69

 

720

12000
11000
9200

141
163
177

 

0.75

 

63

 

560

9300
8500
7200

83
94
102

 

0.55

 

59

 

 

8

 

960

27000
25000
23000

175
207
228

 

2.2

 

72

 

720

20000
18000
16000

129
154
167

 

1.5

 

66

 

560

15750
14500
12250

78
96
121

 

0.75

 

63

 

 

9

 

960

34500
29000
24000

202
.236
256

 

3。0

 

76

 

720

32000
28000
24000

126
156
177

 

2。2

 

73

 

560

24000
21500
18600

102
118
126

 

1.1

 

67

 

 

 

10

 

960

50000
45000
39000

251
286
317

 

5。5

 

81

 

720

46000
40000
35000

141
167
183

 

3。0

 

76

 

560

28000
24000
20000

111
125
133

 

1.5

 

69

 

 

11.2

 

960

56900
49500
40400

253
296
322

 

5.5

 

82

 

720

52500
45000
40000

138
169
183

 

3。0

 

77

 

560

32000
28000
25000

111
128
142

 

1.5

 

71

 

12

 

720

57000
50000
44000

196
205
209

 

5.5

 

73

 

560

42000
37500
33000

126
134
148

 

3

 

67

 

14

 

720

76700
68000
57500

250
261
268

 

7.5

 

77

 

480

69000
60000
51500

159
169
175

4

 

69

 

15

 

720

88500
80000
70000

195
203
208

 

7。5

 

78

 

480

74750
65000
55800

149
158
165

 

4.0

 

70

 

16

 

720

107500
95000
81500

235
248
256

 

11

 

79

 

320

61000
52500
42600

131
152
167

 

4.0

 

70

 

 

18

 

720

129300
112500
96450

261
276
287

 

15

 

80

 

480

96250
86150
74300

122
136
143

 

5.5

 

71

 

320

79150
71550
62500

115
126
148

 

4.0

 

66

 

20

 

480

168700
150000
131000

215
234
247

 

15

 

78

 

320

125500
110000
95200

118
121
132

 

5.5

 

68

 

22

 

480

201600
180000
165000

193
205
210

 

15

 

79

 

320

155000
120000
119500

135
142
155

 

7。5

 

71

 

 

24

 

480

220800
198500
176500

212
228
246

 

18.5

 

84

 

320

175000
162000
135000

148
164
188

 

11

 

77

 

220

140000
120000
85000

150
160
171

 

7.5

 

70

DWT-I (axial)

机号 Model NO

ΦA

ΦD

B (钢制)
Steel

B(玻璃钢)
Glass steel

F(钢制)
Steel

F(玻璃钢)
Glass steel

H(钢制)
Steel

H(玻璃钢)
Glass steel

重量
(Kg)

3

650

310

460

510

30

60

300

545

12

4

650

410

560

630

30

60

320

585

24

5

890

510

660

750

30

60

380

715

30

6

1000

610

760

870

30

60

420

765

45

7

1220

710

860

1000

40

80

500

950

70

8

1340

810

960

1100

40

80

570

950

90

9

1500

910

1060

1250

40

80

620

950

100

10

1500

1010

1160

1400

40

80

650

1105

160

11.2

1800

1130

1280

1540

50

80

700

1105

200

12

1800

1210

1360

1660

50

80

930

1315

220

14

2500

1410

1560

1900

50

100

980

1450

250

15

2500

1510

1660

2040

50

100

980

1450

280

16

3000

1610

1760

2160

60

100

1080

1580

300

18

3000

1810

1960

2400

60

100

1080

1580

430

20

3400

2010

2160

2600

60

100

1150

1580

500

22

3800

2210

2360

2800

70

100

1300

1660

530

24

3800

2410

2560

3000

70

100

1300

1660

600

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